过滤html标签 php

<?php
function stripHtmlTags($str) {
    return preg_replace('/<[^>]*>/', '', $str);
}

$htmlContent = "<p>Hello <b>World</b>!</p>";
$cleanText = stripHtmlTags($htmlContent);
echo $cleanText; // 输出: Hello World!
?>

<?php
require 'vendor/autoload.php'; // 确保已经安装了htmlpurifier/htmlpurifier包

use HTMLPurifier;

function stripHtmlTags($str) {
    $config = HTMLPurifier_Config::createDefault();
    $purifier = new HTMLPurifier($config);
    return $purifier->purify($str);
}

$htmlContent = "<p>Hello <b>World</b>!</p>";
$cleanText = stripHtmlTags($htmlContent);
echo $clean->cleanText; // 输出: Hello World!
?>

<?php
function escapeHtml($str) {
    return htmlspecialchars($str, ENT_QUOTES | ENT_HTML5, 'UTF-8');
}

$htmlContent = "<p>Hello <b>World</b>!</p>";
$escapedContent = escapeHtml($htmlContent);
$cleanText = stripHtmlTags($escapedContent);
echo $cleanText; // 输出: Hello World!
?>